Cheongju's Jibuk Water Treatment Plant offers free educational group tours in the second half of 2026. The municipal booking page lists actual visit dates from September 1 to November 26. Applications are for groups of at least ten, and children must be at least five years old. The listing shows a participant capacity of 40, with online or telephone applications subject to approval. Individuals cannot reserve a solo visit.
The visit takes approximately 50–60 minutes. The official route follows an introductory video, central control room, (water quality testing laboratory), water intake/receiving facility, coagulation and sedimentation tanks, filtration, (advanced treatment plant), dehydration facility, and return. Facilities in parentheses may depend on operations, so do not assume every room will always be shown. The booking list displays a 10–11 a.m. visit slot.
The address in the booking header is Jibuk-dong 8, Sangdang-gu, Cheongju, while the detail text uses the road address 77 Mongnyeon-ro 62beon-gil, Sangdang-gu. Confirm the correct navigation destination with the operator. Applications are displayed through November 30 at midnight, but the tour season ends November 26; the later application date does not authorize a November 27–30 tour. Enquiries: 043-201-4595.